Speed Setpoint Filter - Siemens SINAMICS S120 Function Manual

Hide thumbs Also See for SINAMICS S120:

Table of Contents

Speed setpoint filter

Function description

The "Speed setpoint filter" function allows you to hide or to attenuate certain frequency ranges.

Speed setpoint filters do not have any effect on the stability of the speed controller, because

they lie in the setpoint channel. The dynamic response in the control behavior is reduced by the

The various filter types are identical in structure and can be set via parameters p1415[0...n]

(Filter 1) and p1421[0...n] (Filter 2) as follows:

● Band-stop filter

● Low-pass 1st order (PT1)

● Low-pass 2nd order (PT2)

Activating and parameterizing a function

You can activate 2 speed setpoint filters in the Startdrive engineering tool via parameter

p1414[0...n].

To activate and to parameterize the speed setpoint filters, proceed as follows:

1. Select group parameter p1414[0] and open the sub categorization.

2. Select the required speed setpoint filter - and in the drop-down list of the parameter line,

select setting "[1] Yes".

Repeat this procedure for every speed setpoint filter that you wish to additionally activate.

Drive functions

Function Manual, 06/2019, 6SL3097-5AB00-0BP2

Overview: Speed setpoint filter

Servo control

5.4 Speed setpoint filter